Tell me more about the lens of the camera?

YI Smart Dashcam is equipped with a lens of 6G+1IR. It has six pieces of glass and one infra-red(IR) filter. The IR filter is used to eliminate interfering infra-red lights when recording videos. With the all-glass high definition lens, an F1.8 aperture and the its high-standard HD solution, YI Smart Dashcam can provide you with a better video performance through the all-time optical capability.